update graal version

infrastructure/clj/image/resources/install.sh

@@ -10,7 +10,7 @@ function main() {
 
     # download kubeconform & graalvm
     kubeconform_version="0.6.4"
-    graalvm_jdk_version="17.0.9"
+    graalvm_jdk_version="21.0.2"
 
     curl -SsLo /tmp/kubeconform.tar.gz https://github.com/yannh/kubeconform/releases/download/v${kubeconform_version}/kubeconform-linux-amd64.tar.gz
     curl -SsLo /tmp/CHECKSUMS https://github.com/yannh/kubeconform/releases/download/v${kubeconform_version}/CHECKSUMS
@@ -29,7 +29,6 @@ function main() {
     ln -s /usr/lib/jvm/$dirname_graalvm /usr/lib/jvm/graalvm
     ln -s /usr/lib/jvm/graalvm/bin/gu /usr/local/bin
     update-alternatives --install /usr/bin/java java /usr/lib/jvm/graalvm/bin/java 2
-    gu install native-image
     ln -s /usr/lib/jvm/graalvm/bin/native-image /usr/local/bin
 
     #install pyb